The ACR3901U-S1 ACS Secure Bluetooth™ Contact Smart Card Reader combines the latest technology in the smart card reader industry with Bluetooth™ connectivity. This compact wireless smart card reader blends sophisticated technology smart card applications installed on Bluetooth devices such as smartphones and tablets. Bluetooth® interface USB 2.0 Full-Speed interface Power supply: Battery-powered (Li-ion battery recharged via Micro-USB port) USB power supply (via PC connection mode) Supports ISO 7816 Class A, B, and C (5 V, 3 V, 1.8 V) cards Supports microprocessor cards with T=0 or T=1 protocol Supports various memory cards Supports PPS (protocol and parameter selection) Short-circuit protection Supports AES-128 encryption algorithm Supports PC/SC Supports CT-API (via PC/SC wrapper) USB firmware upgrade capability Supports Android™ 4.3 and above Supports iOS 8.0 and above Baud rate: 1 Mbps Connector type: Micro-USB Protocol: USB CCID Rate: USB Full Speed (12Mbps) Power: Powered by USB port Card Slots: 1 full-size card slot Standard: ISO 7816 Parts 1-4, Class A, B, and C (5V, 3V, 1.8V) Protocol: T=0; T=1; Supports memory cards Color: White Material: plastic Package Contents: 1 * Reader/Writer Device